2640516670833 has 32 divisors (see below), whose sum is σ = 3801855139200. Its totient is φ = 1623937575936.

The previous prime is 2640516670811. The next prime is 2640516670859. The reversal of 2640516670833 is 3380766150462.

It is not a de Polignac number, because 2640516670833 - 2⁶ = 2640516670769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2640516670433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2275023 + ... + 3233691.

It is an arithmetic number, because the mean of its divisors is an integer number (118807973100).

Almost surely, 2^{2640516670833} is an apocalyptic number.

It is an amenable number.

2640516670833 is a deficient number, since it is larger than the sum of its proper divisors (1161338468367).

2640516670833 is a wasteful number, since it uses less digits than its factorization.

2640516670833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959761.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 2640516670833 in words is "two trillion, six hundred forty billion, five hundred sixteen million, six hundred seventy thousand, eight hundred thirty-three".